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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627// SPDX-License-Identifier: GPL-2.0-only#include <linux/compiler.h>#include <linux/gcd.h>#include <linux/export.h>#include <linux/lcm.h>
/* Lowest common multiple */unsigned long lcm(unsigned long a, unsigned long b){ if (a && b) return (a / gcd(a, b)) * b; else return 0;}EXPORT_SYMBOL_GPL(lcm);
unsigned long lcm_not_zero(unsigned long a, unsigned long b){ unsigned long l = lcm(a, b);
if (l) return l;
return (b ? : a);}EXPORT_SYMBOL_GPL(lcm_not_zero);